1) retained foreign exchange
留存外汇
2) foreign exchange retaining system
外汇留存制
3) foreign exchange retaining system
留存外汇制
4) retained foreign exchange account
留存外汇帐户
6) retain a portion of foreign exchange
留成外汇
补充资料：留存
1.存留，保存。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条